Blood sampling in laboratory animals encompasses a range of methods designed to balance data quality with animal welfare. Techniques include peripheral puncture of superficial veins (such as the ...

Blood sampling in rodents is common practice in scientific studies. Some of the refined methods widely used are the puncture of the saphenous vein or tail vein, or even tail docking. The handling ...

Schematic representation of the blood infusion regime (blood from old and young wild type mice into Tg2576 mice). Wild-type mice aged 50–75 days (WT Young mice), and wild-type mice aged 443–532 days ...

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found. By Carl Zimmer A team of scientists has extended the lives of old mice by connecting their blood vessels to ...